OpenTechnical

OT-2026-000034678

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000034678) never changes.

Identity and time

Publication numberOT-2026-000034678 · never reused
Internal UUID01a0ae76-1ed1-727a-bc5c-9312fbea61f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034678
StatusPUBLIC

Content hashes

Canonical text8c9503ce579f5d6f5b01d13a32f1fbcb9cd845c4fb69fb29209dae6308ce78dc
Markdownb03969489a72e7404166b5cb297573a6541fd6abe151149531176eecceccc9fd
PDF
Publication pageb7ca6004804cc6984c7807907887406fed2066a5de049201cd37550fafc67e6b
Manifest60d7750683dbbd8bf151b7384bdf2d04343fd3cdaf6ed2e1aec5394cac8ab904

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetxuYudLM9ZRMKHMcl+BGqZTlF+BhSUFvAN1upX94Qw9mL3n6Z6MWpdzZj50vgEF3PZ2byW92mrwBcIpG1gcwAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:29:05.156042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034678
observed b7ca6004804cc6984c7807907887406f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.137935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034678/manifest.json
observed 60d7750683dbbd8bf151b7384bdf2d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.119861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034678/publication.md
observed b03969489a72e7404166b5cb297573a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.101425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034678/publication.txt
observed 8c9503ce579f5d6f5b01d13a32f1fbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.